HM DIGITAL TDS/EC COM-100

Handheld TDS Meter with Carrying Case

With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; ranging from water purification to hydroponics to industrial wastewater treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

Key Features

• Hold Function — freeze readings for easy documentation
• Auto-off Function — automatically powers down after 10 minutes of inactivity
• Built-in Digital Thermometer — monitor temperature alongside TDS readings
• Carrying Case with Belt Clip — portable and field-ready
• Factory Calibrated — pre-calibrated with 342 ppm NaCl solution; recalibrate with included mini-screwdriver

Technical Specifications

• TDS Range: 0–9990 ppm (mg/L)
• Temperature Range: 0–80°C
• Resolution: 0–999 ppm (1 ppm); 1000–9990 ppm (10 ppm, marked with 'x10' icon)
• Temperature Resolution: 0.1°C
• Accuracy: ±2%
• ATC: Automatic Temperature Compensation (1–50°C / 33–122°F)
• Power: 2 × 1.5V button cell batteries (LR44 or equivalent, included)
• Battery Life: 1000 hours
• Dimensions: 15.5 × 3.1 × 2.3 cm (6.1 × 1.25 × 1 inch)
• Weight: 56.7g without case; 76.5g with case